rul·​er | \ ˈrü-lər How to pronounce ruler (audio) \

Definition of ruler

1 : one that rules specifically : sovereign
2 : a worker or a machine that rules paper
3 : a smooth-edged strip (as of wood or metal) that is usually marked off in units (such as inches) and is used as a straightedge or for measuring

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Other Words from ruler

rulership \ ˈrü-​lər-​ˌship How to pronounce ruler (audio) \ noun

Examples of ruler in a Sentence

a summit attended by a number of rulers from around the world This ruler shows inches and centimeters.
Recent Examples on the Web In the 15th century, Gyatri Shahi, the Islamic ruler of central India’s Sultanate of Malwa, penned the Ni’matnama, or the Book of Delights, which delves into the world of sybaritic pleasures. Travel, "This ancient town is the perfume capital of India," 4 Jan. 2021 Their only acceptable response is an autocratic ruler with absolute control over all the functions of government. San Diego Union-Tribune, "Readers React: Your Say: Trump 2024?," 4 Dec. 2020 Archaeologists unearthing the Gjellestad ship are working practically in the shadow of one of the largest burial mounds in Scandinavia, known as the Jell Mound, probably the resting place of an Iron Age ruler. Kiona N. Smith, Ars Technica, "This farmer’s field was once a powerful stronghold in Iron Age Norway," 14 Nov. 2020 And Kim wasn’t supplanted until Donald J. Trump announced his candidacy for president in June 2015, and, in 2016, became not just the most famous person in the world but the ruler of it. Lili Anolik, Town & Country, "Once Upon a Time in...Traci Lords's Hollywood," 14 Nov. 2020 The story followed Aeon, an assassin of the fictional world of Monica, who kills targets and retrieves valuable items and whose main focus is to thwart the plan of Trevor Goodchild, an authoritarian ruler in the neighboring city of Bregna. Liana Satenstein, Vogue, "Revisiting the Dystopian Beauty of the ’90s Animated Show, Aeon Flux," 6 Nov. 2020 Sheikh Mohammed Bin Rashid Al Maktoum, the ruler of the UAE emirate of Dubai, said he was vaccinated on Tuesday. Adveith Nair,, "Dubai Ruler Gets Covid Vaccine, Joining Other Top UAE Officials," 3 Nov. 2020 But we are really invested in gubernatorial elections, as the governor is the top-ranking ruler in the land. Michelle Santiago Cortés,, "24-Year-Old Puerto Rican Drag Queen Natasha Alor On Why This Election Is Just The Beginning," 2 Nov. 2020 Barbara Jones Brown tweeted that Trump is more like King Noah, an evil ruler in the Book of Mormon who overtaxed his people to support harlots and who burned a prophet at the stake for criticizing him. The Salt Lake Tribune, "This week in Mormon Land: Family proclamation turns 25; Oaks says Black lives matter; Utah senator compares Trump to a Book of Mormon hero," 29 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ruler.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of ruler

14th century, in the meaning defined at sense 1

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Time Traveler for ruler

Time Traveler

The first known use of ruler was in the 14th century

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Statistics for ruler

Last Updated

17 Jan 2021

Cite this Entry

“Ruler.” Dictionary, Merriam-Webster, Accessed 21 Jan. 2021.

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More Definitions for ruler


How to pronounce ruler (audio)

English Language Learners Definition of ruler

: a person (such as a king or queen) who rules a country, area, group, etc.
: a straight piece of plastic, wood, or metal that has marks on it to show units of length and that is used to measure things


rul·​er | \ ˈrü-lər How to pronounce ruler (audio) \

Kids Definition of ruler

1 : a person (as a king or queen) having supreme power over a nation
2 : a straight strip (as of plastic, wood, or metal) with a smooth edge that is marked off in units and used for measuring or as a guide in drawing straight lines

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